Grindstone Running Festival by Utmb

Verona, United States • 19-21 Sep 2025

The Grindstone Running Festival by UTMB is an exciting trail running event set in the picturesque Shenandoah Valley, featuring courses through the stunning national forest. Participants can choose from four challenging distances: 100M, 100K, 50K, and 21K, each designed to test endurance and skill against a backdrop of breathtaking fall foliage and mountainous terrain. This festival not only offers a unique running experience but also serves as a qualifier for prestigious events like the UTMB Mont-Blanc. Runners can earn "Running Stones" for future UTMB events, making it a significant occasion for trail running enthusiasts. Visit the organization's website for the most recent information.

Race information

UTMB 20K UTMB 50K UTMB 100K UTMB 100M
160 km
6400 m+
100m
100 km
3350 m+
100k
50 km
1550 m+
50k
21 km
500 m+
21k
Visit the organization's website for the most recent information.
Trail runs nearby

The Bel Monte Endurance Races are held in the stunning George Washington National Forest in Virginia's Blue Ridge Mountains. This event features three race distances: a 50-mile, 50K, and 25K, with courses primarily consisting of single-track trails and mountain roads. The races offer significant ele..

UTMB Index

The Hone Quarry Ultra is a challenging 40-mile trail endurance race set in the picturesque Shenandoah Valley, starting and finishing at Briery Branch. Participants navigate through the George Washington National Forest, encountering stunning landscapes, including cliffs, meadows, and waterfalls, whi..

The Mountain & Vine Vineyard 9k is a scenic running event taking place on March 29, 2025, at the Mountain & Vine Vineyards in Faber, Virginia. Participants can choose from 3k, 6k, or 9k distances, with the 9k featuring a challenging hilly course that offers stunning views. Runners will receive a gla..

The Wisdom Oak Winery 10k is a scenic running event taking place at the beautiful Wisdom Oak Winery, featuring a challenging cross-country course with rolling hills and gravel roads. Participants can enjoy a glass of wine post-race, along with a finisher's medal and a technical event shirt. The even..